linux-kernel - Re: [PATCH -tip v10 0/9] kprobes: Kprobes jump optimization support

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Message-ID: <4B830FDB.7010202@redhat.com>
Date:	Mon, 22 Feb 2010 18:14:35 -0500
From:	Masami Hiramatsu <mhiramat@...hat.com>
To:	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...e.hu>,
	Ananth N Mavinakayanahalli <ananth@...ibm.com>,
	lkml <linux-kernel@...r.kernel.org>
CC:	Jim Keniston <jkenisto@...ibm.com>,
	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>,
	Christoph Hellwig <hch@...radead.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	Anders Kaseorg <andersk@...lice.com>,
	Tim Abbott <tabbott@...lice.com>,
	Andi Kleen <andi@...stfloor.org>,
	Jason Baron <jbaron@...hat.com>,
	Mathieu Desnoyers <compudj@...stal.dyndns.org>,
	systemtap <systemtap@...rces.redhat.com>,
	DLE <dle-develop@...ts.sourceforge.net>
Subject: Re: [PATCH -tip v10 0/9] kprobes: Kprobes jump optimization support

Masami Hiramatsu wrote:
> Hi Ingo,
> 
> Here are the patchset of the kprobes jump optimization v10
> (a.k.a. Djprobe). This version just updated a document,
> and applicable for 2.6.33-rc8-tip.

BTW, this optimization is automatically done in kprobes.
(no other tools/changes are required for it)
This means all users including perf-probe have a benefit
from this feature just by configuring CONFIG_OPTPROBES=y :)
So it's a part of perf-probe/kprobe-tracer enhancement, IMHO.

Thank you,
-- 
Masami Hiramatsu
e-mail: mhiramat@...hat.com
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